Home / 19,009.40-28,514.10-16,190.60

Finding the Fourth Proportional to 19,009.40, 28,514.10 and 16,190.60

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Solution

The fourth proportional to 19,009.40, 28,514.10 and 16,190.60 is: 24,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.40 : 28,514.10 = 16,190.60 : x
  2. Step 2: Convert to fraction form
    19,009.40/28,514.10 = 16,190.60/x
  3. Step 3: Cross multiply
    19,009.40x = 28,514.10 × 16,190.60
  4. Step 4: Simplify right side
    19,009.40x = 461,660,387.46
  5. Step 5: Solve for x
    x = 461,660,387.46/19,009.40
  6. Step 6: Final answer
    x = 24,285.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.